Home / 100,586.45-138,804.32-60,292.38

Finding the Fourth Proportional to 100,586.45, 138,804.32 and 60,292.38

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Solution

The fourth proportional to 100,586.45, 138,804.32 and 60,292.38 is: 83,200.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,586.45 : 138,804.32 = 60,292.38 : x
  2. Step 2: Convert to fraction form
    100,586.45/138,804.32 = 60,292.38/x
  3. Step 3: Cross multiply
    100,586.45x = 138,804.32 × 60,292.38
  4. Step 4: Simplify right side
    100,586.45x = 8,368,842,505.62
  5. Step 5: Solve for x
    x = 8,368,842,505.62/100,586.45
  6. Step 6: Final answer
    x = 83,200.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.